An ingredient co-occurrence network gives insight into e-liquid flavor complexity.

ABSTRACT:

Introduction

Part of the appeal of e-cigarettes lies in their available flavors. To achieve attractive flavors, e-liquids contain many different flavoring agents, which allow many flavoring combinations. To advance our knowledge of e-liquid flavors and compositions and to evaluate the effect of legislation, we determined whether there are ingredient combinations that are frequently used together.

Methods

We used e-cigarette ingredient data from the European Common Entry Gate system (EU-CEG) as available on 31 December 2022.

Results

In e-liquids, we found 214 ingredient pairs with a co-occurrence odds ratio greater than 10. Together, these consisted of 62 unique ingredients. Network analysis revealed that ingredients were grouped together based on their flavor and/or c

SUBMITTER: Pennings JLA 

PROVIDER: S-EPMC10777478 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature